Revert "msm: kgsl: Add an input handler to power up the GPU on a touch event"

This reverts commit af4a299143c44c84f30c3935377fabf47d823fa3.
Revert "msm: kgsl: Allow GPU start to run in a high priority queue"

This reverts commit a1a5a7ab95f24f9798e0ffed852a57980b973c81.
Memory optimization (Credit AOSPAL)